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Finding the Fourth Proportional to 621,811.60, 932,947.80 and 248,102.80

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Solution

The fourth proportional to 621,811.60, 932,947.80 and 248,102.80 is: 372,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,811.60 : 932,947.80 = 248,102.80 : x
  2. Step 2: Convert to fraction form
    621,811.60/932,947.80 = 248,102.80/x
  3. Step 3: Cross multiply
    621,811.60x = 932,947.80 × 248,102.80
  4. Step 4: Simplify right side
    621,811.60x = 231,466,961,433.84
  5. Step 5: Solve for x
    x = 231,466,961,433.84/621,811.60
  6. Step 6: Final answer
    x = 372,246.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.